Patents by Inventor Alfred Gorawski

Alfred Gorawski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cam drive for cryogenic refrigerator
    Patent number: 4796430
    Abstract: Modified Stirling cycle refrigerators having a cam drive unit which is illustrated as being implemented either as a rotatable cylinder having a pair of circumferential camming grooves or as wobble plates having camming tracks on the periphery thereof. The cam drive unit drives the compressor and expander piston of the refrigerator through cam followers. Refrigerator embodiments having a plurality of compressor-expander piston pairs driven from a single cam drive are also disclosed.
    Type: Grant
    Filed: August 14, 1987
    Date of Patent: January 10, 1989
    Assignee: Cryodynamics, Inc.
    Inventors: Stephen F. Malaker, Alfred Gorawski